<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div {
            overflow: hidden;
            float: left;
            width: 313px;
            height: 209px;
            margin: 10px 10px;
        }
        
        img {
            transition: all 0.4s;
        }
        
        div:hover img {
            transform: scale(1.1);
        }
    </style>
</head>

<body>
    <div>
        <img src="images/7.jpg" alt="">
    </div>
    <div>
        <img src="images/7.jpg" alt="">
    </div>
    <div>
        <img src="images/7.jpg" alt="">
    </div>
</body>

</html>